"Web crawler"

pemguinkpl

Hi,

I had tried to use the web crawl in rapid miner, but i face some problem to specific the crawling rule,
i just want to crawl any blog have related for h7n9, but that have nothing to crawl when i defined in the parameter.

        <list key="crawling_rules">
          <parameter key="store_with_matching_content" value="http://theextinctionprotocol.wordpress.com/(h7n9)"/>

URL:
http://theextinctionprotocol.wordpress.com/?s=h7n9

any suggestion? and any help..

thanks a lots.  ???